/**
 * Copyright 2004-2048 .
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ipd.jsf.gd.filter;

import com.ipd.jsf.gd.msg.RequestMessage;
import com.ipd.jsf.gd.msg.ResponseMessage;

/**
 * Title: 过滤器接口<br>
 * <p/>
 * Description: <br>
 * <p/>
 */
public interface Filter {

	/**
	 * 过滤执行
	 * 
	 * @param request
	 *            请求
	 * @return ResponseMessage 响应
	 */
	public ResponseMessage invoke(RequestMessage request);
}